Problems from Spotify Challenge 2011

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
All Just A Dream0.0224875857976%5.4Mediumen
Cat Coat Colors0.00114035726374%6.0Harden
Imperial Measurement0.001471419130192%2.6Easyen
Peer Streaming0.041300322062%6.9Harden
Playlist0.3012511045149%6.1Harden
Primary Register0.00801214110891%2.3Easyen
Square Pie0.071580845869%7.4Harden
Wheel Game0.00127492551%7.7Harden